# coding: utf-8
'''

推荐：http://chenqx.github.io/2014/11/10/Key-differences-between-Python-2-7-x-and-Python-3-x/
'''
from __future__ import division # 向Python3.x兼容了
from platform import python_version

print 'Python', python_version() # Python 2.7.13
print 3/2	# 1.5 not 1